Possibly a Feed Validator bug

Hello,

Congratulations on your new release. Probably like many RSS users with
channels, I have a question. Can you tell me please if this is a Feed
Validator bug for [1]?

  line 77, column 0: Undefined rdf:RDF element: rdf:Description [help]

http://validator.w3.org/feed/check.cgi?url=http%3A%2F%2Fwww.w3.org%2F2000%2F08%2Fw3c-synd%2Fhome.rss

[1] http://www.w3.org/2000/08/w3c-synd/home.rss

Thank you,
--
Susan Lesch           http://www.w3.org/People/Lesch/
mailto:lesch@w3.org               tel:+1.858.483.4819
World Wide Web Consortium (W3C)    http://www.w3.org/